How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.) A. Edit /etc/shmmax a...

A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently? (Specify the f...

Which of the following command sequences can be used to extract files contained in a initramfs file (/boot/initramfs) which is used by the kernel at boot time? A. cp /boot/initramfs /tmp/initramfs....

On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel configuration parameters? A. config-linux-3.4.50-11 B. config-3.4.50-11 C. system-3.4.50-11 ...

Nginx是一個免費開源且穩定高效的Web伺服器程式，經常用來提供HTTP網頁和靜態檔案等資源。但是有些人在使用Nginx的時候會碰到網頁或是文字檔用瀏覽器開啟時出現亂碼的問題，這該怎麼解決呢？

What is the purpose of the command udevadm monitor? A. It listens to kernel events produced by a udev rule and print information to the console. B. It monitors the /dev directory for new devices....

What is a key difference between a zImage and bzImage kernel image? A. zImage is compressed using gzip, bzImage is compressed using bzip2. B. zImage is for 2.6 series kernels, bzImage is for 3.x s...

In the following output from top, which processes contribute to the percentage of time that the CPU spends in the state of wa? Tasks: 193 total, 1 running, 190 sleeping, 2 stopped, 0 zombie Cpu(s)...

In the following output, what percentage of time was the CPU waiting for pending I/O? # vmstat 1 100 procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- r b swp...

Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system? A. top B. uptime C. ps aux D. vmstat E. freemem